Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915
Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915
Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915
Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915
Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915
Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915

Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915

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RailroadTreasures offers the following item:
 
Hawkins Electrical Guide Number 8 w/ questions answers Illustrations 1915
 
Hawkins Electrical Guide Number 8 with questions answers & Illustrations A progressive course of study for engineers, electricians, students, and those desiring to acquire a working knowledge of electricity and its appliances.  A Practical treatise.   COVER LOOSE
WAVE FORM MEASUREMENT - - 1,839 to 1,868
Importance of wave form measurement - methods: step by step; constantly recording-classes of apparatus: wave indication; oscillographs - step by step methods - Joubert's; four part commutator; modified four part commutator; ballistic galvanometer; zero; Hospitaller ondograph -constantly recording methods: cathode ray; glow light; moving iron; moving coil; hot wire- oscillographs-moving coil type; construction and operation; production of the time scale; oscillograms - fallmg plate camera; its use.
SWITCHBOARDS 1,869 to 1,884
General principles; diagram- small plant a.c. switchboard - switchboard panels; generator panel; diagram of connections-simple method of determining bus bar capacity - feeder panel-diagrams of connection for two phase and three phase installations.
ALTERNATING CURRENT WIRING - 1,885 to 1,914
Effects to be considered in making calculations - ,induction; self- and mutual; mutual induction, how caused - transpositions - inductance per mile of three phase circuit, table- - capacity; table-frequency-skin effect; calculation; table-corona effect; its manifestation; critical voltage; spacing of wires- resistance of wires -impedance-power factor; apparent current; usual power factors encountered; example-wire calculations
-sizes of wire - table of the property of copper wire
-drop; example - current - example covering horse power, watts, apparent load, current, size of wire, drop, voltage at the alternator, and electrical horse power.

All pictures are of the actual item.  If this is a railroad item, this material is obsolete and no longer in use by the railroad.  Please email with questions. Publishers of Train Shed Cyclopedias and Stephans Railroad Directories. Large inventory of railroad books and magazines. Thank you for buying from us.

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